Low density proppant
a proppant and low density technology, applied in the field of proppant, can solve the problems of increasing the wear of fluid carrying equipment, causing cracks or fractures, and increasing the densities of high-density proppants,
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[0016]The proppant of the present invention is in the form of solid spherical pellets made from naturally occurring materials, such as kaolin clay. This invention is a proppant for use in shallow oil and gas wells which has an apparent specific gravity of from about 1.60 to about 2.10 g / cc and a bulk density of from about 0.95 to about 1.30 g / cc. Preferably, the alumina content is between about 40 and 60%. Most preferably, the proppant has an alumina content of about 50%.
[0017]One advantage of this lower density proppant is that fewer pounds of this proppant are required, as compared to higher density proppants, to fill a given void in the formation. Since proppants are generally sold by the pound, the user buys fewer pounds of proppant for a particular application. Another advantage of this low density proppant is the ability to use a lower viscosity fluid during pumping operations, resulting in more economical pumping at lower pumping rates than those required with the use of heav...
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